Abstract: In order to investigate biodiversity and distribution of small Non-flying mammals in Sichuan Shenguozhang Provincial Nature Reserve,a survey was conducted by snap traps and pitfall traps in July,2008 and April in 2018.The results indicated that there were 40 species of small mammals,representing 28 genera,11 families and 3 orders.The abundance of insectivore showed favorable ecological environment in this area.